<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>MapboxGL</title>
    <style>
        html, body {
            padding: 0;
            margin: 0;
            height: 100%;
            overflow: hidden;
        }
    </style>
</head>
<body>
<script src='js/lesson3-2.js'></script>
</body>
</html>